Glossary L

Laboratory Control Sample (LCS) is a specimen of known composition prepared using contaminant-free reagent water, or an inert solid, that is spiked with the analyte of interest at the midpoint of the calibration curve or at the level of concern; and then analyzed using the same preparation, reagents, and analytical methods employed for regular specimens and at the intervals set in the QA Project Plan.

The Laboratory Data Qualifier is a Code applied to the data by the analytical testing facility to indicate a verifiable or potential data deficiency or bias.

Laboratory Duplicates are two or more representative portions taken from one homogeneous sample by the analyst and analyzed in the same testing facility.

Lactate means to secrete or produce milk.

Deutsch: Laktation / Français: Lactation / Italiano: Lattazione 

Lactation refers to the secretion of milk from the mammary glands, and the period of time that a mother lactates to feed its young. This process can occur with almost all post-partum female mammals, although it may have predated the existence of mammals. The process may also be referred to as breastfeeding or nursing when referring to humans.

A lacustrine zone is area of a reservoir which is most lake -like: current velocities are much slower than for riverine or transitional zones.

A Lagoon is Earthen storage structure with sufficient dilution water added to allow Microorganisms to biodegrade and treat

A lake is a standing body of water greater than 1 hectare (about 2.5 acre) that has at least 1000 m2 (about 0.25 acre) of open water and is at least 1 meter (about

lakes are substantial inland bodies of standing water.

Related Articles

Behavioral data at■■■
Behavioral data refer to observational reports about the behavior of organisms and the conditions under . . . Read More
Alloplastic adaptation at■■
Alloplastic adaptation refers to the form of adjustment which results from changes in the environment . . . Read More
Autoplastic adaptation at■■
. . . Read More
Adaptive self-organization at■■
Adaptive self-organization: Adaptive self -organization refers to the process by which an open system . . . Read More
Social pathology at■■
Social pathology refers to a concept which compares society to a physical organism and sees criminality . . . Read More
Adjustment Disorder at■■
Adjustment Disorder refers to a type of mental disorder which resulted from maladaptive, or unhealthy, . . . Read More
Attention Deficit Hyperactivity Disorder at■■
Attention Deficit Hyperactivity Disorder (ADHD) refers to a chronic disorder that initially manifests . . . Read More
Behavioral tolerance at■■
Behavioral tolerance refers to adjustment of behavior through experience in using a drug to compensate . . . Read More
Adjustment disorders at■■
Adjustment disorders are characterized by the development of emotional or behavioral symptoms in response . . . Read More
Transactional model of stress at■■
Transactional model of stress: Transactional model of stress refers a model that views Stress as a process . . . Read More